#preloader {
  position: fixed;
  inset: 0;
  background-color: #fff;
  z-index: 9999;
  display: flex;
  justify-content: center;
  align-items: center;
}

.preloader-img {
  width: 120px;
  animation: shake 1.2s infinite;
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-8px); }
  50% { transform: translateX(8px); }
  75% { transform: translateX(-4px); }
}

#preloader.fade-out {
  opacity: 0;
  transition: opacity 0.5s ease;
  pointer-events: none;
}